Display panel of a programmed computer system with a graphical user interface



The FIGURE is a front view of a display panel of a programmed computer system with a graphical user interface.

The broken lines in the drawings are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM What is claimed is the ornamental design for a display panel of a programmed computer system with a graphical user interface, as shown and described. 